Ritchie. The Fullness of Knowing. Baylor University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRitchie. The Fullness of Knowing. Baylor University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRitchie. The Fullness of Knowing. Baylor University Press.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.